请问QuickReport如何打印空行

Question

打印的时候如果记录数不满一页，剩下的就以空行填充，我用的是主从数据集，特别是在打印多条数据的时候，每页的记录数都不确定，请问如何实现，在线等，先谢谢各位了

Answer 1

OnNeedData里设置 MoreData := true，则将继续打印。打印新页时，每打印一行，打印的行计数器+1，如果没满一页所占用的记录数，则 MoreData 设置成true,直到打满一页。

Answer 2

lynmison 
我在OnNeedData写的代码为什么不触发？
请你再说得详细点，谢谢

Answer 3

unit Unit1;interfaceuses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Spin, DB, QuickRpt, QRCtrls, ADODB, ExtCtrls;type
  TForm1 = class(TForm)
    QuickRep1: TQuickRep;
    adsEmployee: TADODataSet;
    TitleBand1: TQRBand;
    ColumnHeaderBand1: TQRBand;
    DetailBand1: TQRBand;
    QRLabel1: TQRLabel;
    QRLabel2: TQRLabel;
    adsEmployeeEmployeeID: TAutoIncField;
    adsEmployeeLastName: TWideStringField;
    adsEmployeeFirstName: TWideStringField;
    adsEmployeeTitle: TWideStringField;
    adsEmployeeTitleOfCourtesy: TWideStringField;
    adsEmployeeBirthDate: TDateTimeField;
    adsEmployeeHireDate: TDateTimeField;
    adsEmployeeAddress: TWideStringField;
    adsEmployeeCity: TWideStringField;
    adsEmployeeRegion: TWideStringField;
    adsEmployeePostalCode: TWideStringField;
    adsEmployeeCountry: TWideStringField;
    adsEmployeeHomePhone: TWideStringField;
    adsEmployeeExtension: TWideStringField;
    adsEmployeePhoto: TBlobField;
    adsEmployeeNotes: TMemoField;
    adsEmployeeReportsTo: TIntegerField;
    adsEmployeePhotoPath: TWideStringField;
    QRLabel3: TQRLabel;
    QRLabel4: TQRLabel;
    lblId: TQRLabel;
    lblLastName: TQRLabel;
    lblFirstName: TQRLabel;
    btnPreview: TButton;
    sePageRow: TSpinEdit;
    QRLabel5: TQRLabel;
    lblIndex: TQRLabel;
    procedure btnPreviewClick(Sender: TObject);
    procedure QuickRep1StartPage(Sender: TCustomQuickRep);
    procedure QuickRep1NeedData(Sender: TObject; var MoreData: Boolean);
  private
    { Private declarations }
  public
    { Public declarations }
  end;var
  Form1: TForm1;implementation{$R *.dfm}var
  rowIndex: integer;procedure TForm1.btnPreviewClick(Sender: TObject);
begin
  adsEmployee.First;
  QuickRep1.Preview;
end;procedure TForm1.QuickRep1StartPage(Sender: TCustomQuickRep);
begin
  rowIndex := 0;
end;procedure TForm1.QuickRep1NeedData(Sender: TObject; var MoreData: Boolean);
begin
  if not adsEmployee.Eof then
  begin
    Inc(rowIndex);
    lblId.Caption := adsEmployee.FieldByName('EmployeeID').AsString;
    lblLastName.Caption := adsEmployee.FieldByName('LastName').AsString;
    lblFirstName.Caption := adsEmployee.FieldByName('FirstName').AsString;
    lblIndex.Caption := IntToStr(rowIndex);
    adsEmployee.Next;
    MoreData := true;
  end
  else begin
    if (rowIndex=0) or (rowIndex=sePageRow.Value) then
    begin
      MoreData := false;
    end
    else begin
      Inc(rowIndex);
      lblId.Caption := '';
      lblLastName.Caption := '';
      lblFirstName.Caption := '';
      lblIndex.Caption := IntToStr(rowIndex);
      MoreData := true;
    end;
  end;
  if rowIndex>=sePageRow.Value then QuickRep1.NewPage;
end;end.